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rm sum.txt
<span style="color: #00ffff; font-weight: bold;">for</span> file<span style="color: #00ffff; font-weight: bold;"> in</span> *.il;<span style="color: #00ffff; font-weight: bold;">do if</span> grep -q <span style="color: #ffa07a;">";; copyleft ebecheto"</span> $<span style="color: #eedd82;">file</span> ; <span style="color: #00ffff; font-weight: bold;">then</span> cat $<span style="color: #eedd82;">file</span> |sed <span style="color: #ffa07a;">'/^;/d;/^$/d'</span> |wc -l&gt;&gt;sum.txt;<span style="color: #00ffff; font-weight: bold;">fi</span>;<span style="color: #00ffff; font-weight: bold;">done</span>
sum sum.txt <span style="color: #ff4500; font-style: italic;">#</span><span style="color: #ff4500; font-style: italic;">==&gt; 20529
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